PORSCHE 718 SPYDER (2021)
Running costs, common problems, and reliability data based on 125 real MOT tests in 2024.
MOT Pass Rate
98%
Total Tests (2024)
125
Avg Mileage
9,096 mi
Est. Annual Cost
£2,037
Is the 2021 PORSCHE 718 SPYDER reliable?
Excellent reliability. Very few MOT failures. That's 16 points above the national average of 82%. It also outperforms the PORSCHE brand average of 92%.
At 3 years old, 98% of PORSCHE 718 SPYDERs from 2021 passed their MOT first time in 2024. That's based on 125 tests across the UK. The average mileage at this age is 9,096 miles.
How does the 2021 PORSCHE 718 SPYDER compare?
Mileage Analysis
The average 2021 PORSCHE 718 SPYDER has 9,096 miles on the clock, which is significantly below the expected 22,200 miles for a 3-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
Best year to buy a PORSCHE 718 SPYDER?
The most reliable year is the 2019 model with a 99% MOT pass rate, while the 2021 model has the lowest at 98%. Consider a different year if reliability is a priority.
How much does a 2021 PORSCHE 718 SPYDER cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
PORSCHE 718 SPYDER by Year
Checking a specific PORSCHE 718 SPYDER?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 PORSCHE 718 SPYDER
The 2021 PORSCHE 718 SPYDER is a luxury with a 3995cc petrol engine. 125 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 7% of all 2021 cars for reliability.
With an average of 9,096 miles at 3 years old, PORSCHE 718 SPYDER owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
2021 PORSCHE 718 SPYDER Fuel Costs
The 3995cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 PORSCHE 718 SPYDER?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 98% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
PORSCHE 718 SPYDER Reliability Trend
The PORSCHE 718 SPYDER has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2021 PORSCHE 718 SPYDER
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.
Alternatives to the 2021 PORSCHE 718 SPYDER
The PORSCHE 718 SPYDER is actually the most reliable option among similar petrol luxurys from this era. Here are comparable petrol cars with similar engines:
- MERCEDES C (2019) 91% pass rate (-7%) from 52,838 tests
- PORSCHE CAYENNE (2019) 95% pass rate (-3%) from 9,063 tests
- PORSCHE 911 (2019) 97% pass rate (-1%) from 7,188 tests
- AUDI A6 (2020) 94% pass rate (-4%) from 3,470 tests